2 2
1 + tan (x) 15*atan (5*x)
----------- + -------------
tan(x) 2
1 + 25*x
$$\frac{\tan^{2}{\left(x \right)} + 1}{\tan{\left(x \right)}} + \frac{15 \operatorname{atan}^{2}{\left(5 x \right)}}{25 x^{2} + 1}$$
2
/ 2 \ 2
2 \1 + tan (x)/ 150*atan(5*x) 750*x*atan (5*x)
2 + 2*tan (x) - -------------- + ------------- - ----------------
2 2 2
tan (x) / 2\ / 2\
\1 + 25*x / \1 + 25*x /
$$- \frac{750 x \operatorname{atan}^{2}{\left(5 x \right)}}{\left(25 x^{2} + 1\right)^{2}} - \frac{\left(\tan^{2}{\left(x \right)} + 1\right)^{2}}{\tan^{2}{\left(x \right)}} + 2 \tan^{2}{\left(x \right)} + 2 + \frac{150 \operatorname{atan}{\left(5 x \right)}}{\left(25 x^{2} + 1\right)^{2}}$$
/ 3 2 \
| / 2 \ 2 / 2 \ 2 2 |
| 375 \1 + tan (x)/ 375*atan (5*x) 2*\1 + tan (x)/ / 2 \ 11250*x*atan(5*x) 37500*x *atan (5*x)|
2*|------------ + -------------- - -------------- - ---------------- + 2*\1 + tan (x)/*tan(x) - ----------------- + -------------------|
| 3 3 2 tan(x) 3 3 |
|/ 2\ tan (x) / 2\ / 2\ / 2\ |
\\1 + 25*x / \1 + 25*x / \1 + 25*x / \1 + 25*x / /
$$2 \left(\frac{37500 x^{2} \operatorname{atan}^{2}{\left(5 x \right)}}{\left(25 x^{2} + 1\right)^{3}} - \frac{11250 x \operatorname{atan}{\left(5 x \right)}}{\left(25 x^{2} + 1\right)^{3}} + \frac{\left(\tan^{2}{\left(x \right)} + 1\right)^{3}}{\tan^{3}{\left(x \right)}} - \frac{2 \left(\tan^{2}{\left(x \right)} + 1\right)^{2}}{\tan{\left(x \right)}} + 2 \left(\tan^{2}{\left(x \right)} + 1\right) \tan{\left(x \right)} - \frac{375 \operatorname{atan}^{2}{\left(5 x \right)}}{\left(25 x^{2} + 1\right)^{2}} + \frac{375}{\left(25 x^{2} + 1\right)^{3}}\right)$$